Automatic stop motion for jack spoolers



Sept. 22, 1925 M. SIWECKI AUTOMATIC STOP MOTION FOR JACK SPOOL-EH5 3 Sheets-Sheet 1 Filed Nov. 1. 1924 INVENTOR.

BY a

1 ATTORNEY.

Sept. '22, 1925 1,554,379 M. SIW'ECKI AUTOMATIC STOP MOTION FOR JACK SPOOLERS Filed Nov. 1, 1924 3 Sheets-Sheet 2 A TTORNEY.

Sept. 22, 1925 1,554,379

M. SIWECKI AUTOMATIC STOP MOTION FOR JACK SPOOLERS Filed Nov. 1. 1924 s- Sheets-Shoat 3 INV TOR.

(: ATTORNEY.

" adapted for associationwith jackspoolers Patented Sept. 22, 1925.

"UNITED STATES .PATEN MARTIN sIwEoKI, or cLnvELAivn, onio.

r ()FFICE.

AUTOMATIC s'ror MOTION son JACK SPOOLERS.

Application filedNovember 1, 1924. Serial No. 747,351.

To all whom it may concern: 1

Be it known that I, 'MARTIN SIwncKi, a citizen of the 'United States, residing at Cleveland, in' the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Automatic Stop Motions for Jack Spoolers, of which the following is a specification.

This invention relates to improvements 111' automatic stop motion for ack spoolers having for an object to provide means Other objectswill be in part obvious and.v

in part pointedout hereinafter;

In order that the invention and its mode of operation may be readily understood by others skilled in the art, I have in the accompanying drawings and in the following description based thereon set outthe pre:

ferred embodiment thereof.

Figure 1 is a; diagrammatic illustration showing, the association of the automatic stop motion with jack spoolers;. Figure2 is a detail diagram tion of the stop motion and the transversely reciprocable reed'bar;v

Figure?) is a detail perspective view'showing the manner in. which the stop motion may be actuated ,by means of any, of the tripping or actuating devices;

Figure 4 is a detail endelevation of the reed bar showing the trip device associated therewith;

Figure 5 nism shown in Figure 4;

Figure 6 is a detail perspective view of portion of the trip device; a

Figure 7 is a detail perspective v ew-of the release mechanism which is operated to permit functioning of a belt shifter; and

Figure 8 is an end elevation of the'parts;

shown in Figure 7.

This I stop mot on although particularly of the rela-I is a plan view of the mechaas illustrated, is applicable to many other textile; machines wherein it is desired that with breaking of one or more threads, stopping of the machine will be automatically effected.

Having reference to the accompanying drawings throughout which similar. characters of reference designate similar parts, this apparatus may be stated broadly as comprising a belt shifting mechanism, abelt shifter release mechanism, and a latch carrying frame which is associated with the usual reciprocable reed through which the.

threads being spooled are passed.

Belt shifting mechanism.

The belt shifting mechanism is associated with a loose pulley (not shown) a fixed pulley 10 and a driving belt 11 and consists inthearrangement of a shaft 12 at a point adjacent said pulleys. The ends of the shaft 12 are mounted inbearings of any preferred form, said shaft being oscillatively mounted and'having fixed thereto a belt engaging arm 13 which is designed to shift the belt 7 11 from one pulley to the other at certain times. Keyedto this same shaft 12 is a lever 14 preferably of the bell crank I type; one arm 16 being connected at its outer end to a pull spring 17 which at times oscillates the shaft and consequently shifts the belt B from the fixed pulley to the-loose one.

The second arm 18 of the bell crank lever M is connected to a sliding bar, said bar being normally locked in What I term a belt shifter lock mechanism.

\ Belt shifter Zack mechanism.

This mechanism consists of a base bar 20 which is adjustably connected to the main frame of the spooler or textile mach'ine (not shown). This base bar 20* is slotted longitudinally to provide for adjustable n'iounting of a b racket 21 which supports at one end a spring lock finger 22 whose outer end is releasably engageable in anotch'23 formed in the outer end portion of the aforementioned sliding bar 19.

A substantially U-shaped arm 2% is adjust ably mounted upon the'base bar 20 atthe other end of the. slot and is notched to providelguide-ways in which the aforementioned sliding bar 19 of the belt shifter mechanism is arranged. Obviously, as illusof the actrated in Figures 3 and 7 v companying drawings, the normal pos tionis necessary to release the'sli'dingbar 19- so as to permit contraction of the pull spring 17 and consequent shifting of the driving belt 11 from the drive pulley to the loose pulley. This action is clear from a study of Figure 3; In order to free the sliding bar 19 for movement a lever which may be ofthe bell crank type or that shown in Fig.- ure'3, is. associated with the release mechanism and connected to the free end of the spring locking finger 22} It is obvious that with raising of the lever 25. the spring stop finger 2-2 will be disengaged from the sliding bar 19 so as to permit functioning of the belt shifting mechanismi In Figure 3 the release mechanism embodies a single arm lever 25 which isasso ciated with a battery of spoolers, whereas in Figures 7- and' 8. a: belli'crank lever including a hook carrying arm 26 is embodied for association with a single spoolers Vhere a battery of spoolers is to be equipped. with a stop mechanism of this character I provide a shaft 27' to which is keyed at spaced points trip arm's 28' as shown in Figure 3 of the accompanying drawings. It. is obvious that oscillation of the shaft 27 maybe obtained through movingv any of the trip arms 28. A latch carrying frame is associated with the usual reciprocable reed 29 through which the threads T are passed, the latches carried Latch carrying frame.

This latch carrying frameconsists of a transverse bar 30' spaced from and slightly below th froant of the reed 29 and secured thereto by means of brackets 31 disposed at the opposite ends as shown in Fig.- ure 5. The lower portions of these brackets 31 are cut away as shown in FiguresQ and 4. to permit proper positioning of a toothed or rack bar 32 aswill be hereinafter apparent. Secured to the inner face of the frame bar 30 is a metal strip 33' which car ries at uniformly spaced points latch carryingpla-tes 34-. These plates 34 arerivetedor otherwise secured to the strip 33 and are designed to pivotally support latches as clearly shown in Figures land 6 of the drawings. These latches 35 as stated are pivoted tothe plates 34tand= when in their lower-most position. are readily engageable with the teeth of the aforementioned rack bar In order to. further limit the downward movement of the latches, each supporting plate 34 is provided with a stop finger 36 which engages the under face of the adjacent latch 35 as shown. Upward movement of each latch is limited through the arrangement of a stop rod 37 which extends through the entire set of latch supporting. plates 34. A latch lifting bar 38 is connected to a transverse rod 39 whose ends are journaled in the end brackets 31 as is clear in Figure 5 and when it is desired to'pass threads T through the eyes 35 offthe latches this-lifting bar is oscillated through movement of a handle H. with the result, that all of the eyes 35 are raised" to the; position show-n in Figures 2. and 4 this being the normal position during operation of the machine.

The aforementionedrack bar has its ends slidably seated in supporting brackets 40 which are adj istably mounted upon the frame (not shown), is normally stationary, and is so held through action of coil springs 41 or the like elements acting uniformly upon the bar at its opposite ends. One end of" the bar is provided with a finger 32' which is adapted to engage the aforementioned' hook carrying arm 26 when the mechanism is to be operated'.. This rack bar may be manually operated to stop the machine at any time.

Operation.

It being understood that the several ele ments' are positioned as shown in Figures 1 and 3, the operation is as follows:

It is presumed" that one or'more of the threads T have broken and consequently one or more of the latches 35 will drop to the position. shown in dotted lines in Figure 4, thus engaging the teeth of the rack bar 32. It is understood that during this period the reed" and the latch carrying frame are reciprocating transversely as a unit and upon dropping of one finger intoengagement with the rack ban it too will be moved with the reed. Whether the structure be that shown in Figure 3 01"7, the rack bar or bars will effect raising of the lever 25 and simultaneously disengage the spring stop finger 22 from the sliding bar 19 and allow the pull spring 17' to-move the bell crank lever of the belt'shifting mechanism. This operation results in movement of the belt engaging arm and consequent shifting of the belt from the driving pulley to the loose p ulley thereby stopping the entire mecha msm.

lilani-festly, the construction shown is capable of considerable modification and suchmo'diiication asmay fall within the scope of my claims, I consider within the spirit of my invention. A

I claim:

1. In a stop motion of the class described, the combination of a reciprocable reed,

thread supported pivoted latches associated and movable with the reed, a bar engageable with one of the latches upon breaking of a thread, pulley and belt mechanism, a belt shifter normally inactively positioned, and means for actuating the belt shifter, said bar being adapted to reciprocate with the reed at times to release the shifter actuating means. g

2. In a sto motion of the class described, the combination of a reciprocable reed, thread supported pivoted latches associated and movable with the reed, a rack bar engageable with one of the latches upon breaking of a thread, pulley and belt mechanism, a belt shifter normally inactively positioned, means for actuating the belt shifter, said means con'iprising a lever fixed to move with the belt shifter, spring means tendmg to move the lever, and a releasable looking mechanism arranged to prevent actua-- tion of the lever, said rack bar being movable through engagement with one of the latches to, release the locking mechanism.

3. In a stop'motion of the class described the combination of a reciprocable reed, a frame fixed to and movable with the reed,

a set of latches movable with and pivoted to the frame, normally elevated and engageable with threads, a lift bar for elevating the latches, a rack bar arranged to be engaged by a latch upon breaking of a thread, a belt shifter mechanism, devices for normally locking the mechanism and means whereby said devices will be unlocked to permit functioning of the belt shifter upon engagement of a latch with the rack bar.

4. In a stop motion of the class described, the combination of a reciprocable reed, a belt shifter, spring means for actuating the belt shifter, releasable devices to normally prevent functioning of the belt shifter; and means associated with the reciprocable reed for releasing the devices to permit actuation of the belt shifter, said means comprising a shaft, a lever fixed to the shaft, a trip arm fixed to the shaft, a rack bar engageable at times with the trip arm, and a set of pivoted latches designed for individual engagement with the rack bar upon breaking of one or more threads.

5. In a stop motion of the class described, the combination of a reciprocable reed, a belt shifter, spring means for actuating the belt shifter, releasable devices to normally prevent functioning of the belt shifter; and means associated with the reciprocable reed for releasing the devices to permit actuating of the belt shifter, said means comprising a shaft, a lever fixed to the shaft, a trip arm fixed to the shaft, a rack bar engageable at times with the trip arm, a frame fixed to and reciprocable above the rack bar with the reed, a series of latches pivoted to the frame and normally elevated at one end to engage threads, and stops arranged to limit movement of the latches, said latches being individually engageable with the rack bar at times whereby to effect actuation ofthe belt shifter. i

6. In'a stop motion of the class described,

the combination ofa reciprocable reed, a belt shifter, spring means for actuating the belt shifter, releasable devices .to normally prevent functioning of the belt shifter; and means associated with the reciprocable reed for releasing the devices to permit actuation of the belt shifter, said means comprising a shaft, a lever fixed to the shaft, a trip arm fixed to the shaft, a rack bar engageable at times with the trip arm, a frame fixed to and reciprocable above the rack bar with the reed, a series of latches pivoted to the frame, and normally elevated at one end to engage threads, and an elevating bar arranged to simultaneously lift the latches for engagement with threads, said latches being individually engageable with the rack bar at times to efiect actuation of the belt shifter. e

7. In a stop motion of the class described, the combination of a reciprocable reed, a frame reciprocable with the reed, latches pivoted to the frame and engageable with threads, a rack bar normally stationary below the latches, said rack bar being yieldably held against longitudinal sliding, said latches being individually engageable with the rack bar upon breaking of a thread, to effect movement of said bar, a belt shifter, locking devices to normally prevent actuation of the belt shifter and means engage- I able by the rack bar to release the belt shifter locking devices.

8. In a. stop motion of the class described, the combination of motion transmittin means, means normally inactively positioned and movable to stop the motion transmitting means, a reciprocable reed, thread supported pivoted latches movable with the reed, and a bar engageable with one of the latches upon breaking of a thread and movable with the reed to actively position the second named means.

9. In a stop motion of the class described, a belt shifter actuating mechanism comprising a reciprocable reed, thread sup-ported latches pivoted to and movable with the reed, and a bar normally stationary and capable of movement at times to actuate the belt shifter mechanism, said latches being engageable with the bar to effect movement thereof with breaking of a thread.

10. In a stop motion of the class described, a belt shifter actuating mechanism comprising, a reciprocable reed, thread supported latches pivoted to and movable with the reed, a bar arranged beneath the latches and yieldably held against shifting, and teeth carried by the bar and engageable with one 02-5 the leteh esupmi breaking, at a, support. ing'tl11eaxl:,.saicl bill. being movable with the need at times to: actuate. the belt shifier' meeh amisnu 11. In a stop motion of the class; d'e-t spaced plates fixed to the reed stop fingers carried by theplates, thread su-ppei'tecl latches pivoted to-theplates and limited in thein downward. vmonzement by: said steps, a ncltz rack; ball arranged. beneath the latches and yieldnbly" held at; 21;: pne-clet'erminecl point, said Back bill" being engagezible at times: with one of the lhtches: ancll shifteble tq; actively position! the belt shifter mechzu nism.

Iin testimony whereof,.. I; aflix my signature.

MARTIN SIWECKI. 

